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US20110048064 Ejector type refrigerating cycle unit  
A refrigerating cycle unit includes an ejector and a heat exchanger defined by layering a plurality of plates. Each of the plates has a refrigerant passage, and the refrigerant passages are...
US20090173096 Methodology for converting existing packaged rooftop air conditioning units to be served from a centralized water cooled refrigeration and/or heat pump system  
The present invention includes the equipment and processes necessary to convert packaged air-cooled rooftop HVAC units so that they may be served off of a centralized, water-cooled, refrigeration...
US20150191254 TRANS-CRITICAL CO2 COOLING SYSTEM FOR AEROSPACE APPLICATIONS  
A cooling system includes a first heat exchanger for cooling a refrigerant, an expander configured to receive the refrigerant from the first heat exchanger at least one compressor configured to...
US20090120125 REFRIGERATING DEVICE COMPRISING TUBULAR EVAPORATORS  
A refrigerating device comprising a tubular evaporator which is connected to a compressor by means of a suction line. A coolant pipe of the tubular evaporator forms a plurality of serially...
US20120291462 Ejector Cycle Refrigerant Separator  
A system has a compressor. A heat rejection heat exchanger is coupled to the compressor to receive refrigerant compressed by the compressor. An ejector has a primary inlet coupled with heat...
US20130125569 Ejector Cycle  
A system (200; 250; 270) has first (220) and second (222) compressors, a heat rejection heat exchanger (30), first (38) and second (202) ejectors, a heat absorption heat exchanger (64), and a...
US20110061423 Ejector  
In an ejector, a refrigerant passage of a nozzle for decompressing and expanding refrigerant includes a throat portion in which a refrigerant passage sectional area is most reduced, a first taper...
US20130111944 High Efficiency Ejector Cycle  
A system has a compressor (22), a heat rejection heat exchanger (30), first and second ejectors (38, 202), first and second heat absorption heat exchangers (64, 220), and first and second...
US20100319393 Ejector cycle system  
An ejector cycle system with a refrigerant cycle through which refrigerant flows includes an ejector disposed downstream of a radiator, a first evaporator that evaporates refrigerant flowing out...
US20070095079 Power plant with motorless feed pump  
The present invention relates to a novel method for operating a thermal power plant or refrigeration cycle in which a spent low pressure working fluid is recycled to a high pressure vaporizer...
US20090120120 DX System with Filtered Suction Line, Low Superheat, and Oil Provisions  
A heating/cooling system has improved operating efficiencies due to low superheat provisions and a specially configured compressor oil return. For certain systems, such as direct exchange...
US20110247351 Mechanically Enhanced Ejector HVAC and Electric Power Generation System  
An HVAC system that uses a mechanical compressor powered by vaporized refrigerant and/or electric power, to increase efficiency in a jet ejector cooling cycle. The device is further able to...
US20140196494 HEAT PUMPING UNIT AND VARIANTS THEREOF  
A heat pumping unit includes a first heat exchanger, a second heat exchanger and a pump. An outlet of the first heat exchanger is connected to a vapor inlet of a liquid jet-ejector. A liquid...
US20070271942 Ejector cycle  
An object of the invention is to effectively defrost multiple a vaporizing devices provided in an ejector cycle. In one of the embodiments, electric heating devices are provided for the respective...
US20050188720 System and method for operating a vapor-ejector heat pump  
A heat pump provided with at least one evaporator and at least one condenser, wherein at least one vapor boiler is provided and at least two ejectors are provided which are connected to the at...
US20120234026 HIGH EFFICIENCY REFRIGERATION SYSTEM AND CYCLE  
A high efficiency air conditioning and refrigeration system and cycle comprises a vapor compressor and two independent ejectors operatively connected to high and low-pressure sides of the...
US20100313582 HIGH EFFICIENCY R744 REFRIGERATION SYSTEM AND CYCLE  
A high efficiency R744 air conditioning and refrigeration system and cycle comprises a vapor compressor and two independent ejectors operatively connected to high and low-pressure sides of the...
US20120167601 Ejector Cycle  
A system (200; 300; 400; 500; 600) has a compressor (22; 200, 221). A heat rejection heat exchanger (30) is coupled to the compressor to receive refrigerant compressed by the compressor. An...
US20150033791 EJECTOR  
An ejector includes a swirl flow channel that is arranged on an upstream side of a nozzle portion. The swirl flow channel swirls the high pressure refrigerant and allows the refrigerant in a state...
US20050262872 Two-phase refrigerant distribution system for parallel tube evaporator coils  
A parallel tube heat exchanger receiving two-phase refrigerant flow from a common manifold is provided with an eductor nozzle in one end of the manifold so as to cause the flow of refrigerant to...
US20110094248 Refrigerant System and Method of Operating the Same  
The present disclosure provides a refrigerant system that comprises a compressor, a main refrigerant circuit, an economizer refrigerant circuit, and a bypass refrigerant circuit. The refrigerant...
US20120285185 REFRIGERATION STORAGE IN A REFRIGERANT VAPOR COMPRESSION SYSTEM  
A refrigerant vapor compression system (10) includes a plurality of components, including a flash tank (70), connected in a refrigerant flow circuit by a plurality of refrigerant lines (2, 4, 6,...
US20140345318 EJECTOR-TYPE REFRIGERATION CYCLE DEVICE  
An ejector-type refrigeration cycle device is provided with a first ejector (15) which draws refrigerant from a refrigerant suction port (15b, 24b) by using a high-speed refrigerant flow jetted...
US20050229629 Refrigerant circuit and a refrigerating system  
The invention relates to a refrigerant circuit comprising at least one heat absorption element and at least one heat dissipation element. According to the invention, heat transfer elements...
US20120085124 JET PUMP AND AIR CONDITIONER  
A jet pump includes a discharge outlet configured to discharge refrigerant in which relatively high pressure refrigerant and relatively low pressure refrigerant are mixed, a diffuser disposed...
US20120042686 Ejector-type refrigerant cycle device  
An ejector-type refrigerant cycle device includes a compressor, a radiator, an ejector, a suction side evaporator disposed to evaporate refrigerant to be drawn into a refrigerant suction port of...
US20110113803 MULTI-EVAPORATION SYSTEM  
Provided is a multi-evaporation system which carries out a multi-evaporation process in an air-conditioning cycle of a vehicle air conditioning system, thereby enhancing system efficiency. The...
US20140109604 Ejector Mixer  
An ejector (200; 300; 400; 600) has a primary inlet (40), a secondary inlet (42), and an outlet (44). A primary flowpath extends from the primary inlet to the outlet. A secondary flowpath extends...
US20100139315 Ejector refrigerant cycle device  
An ejector refrigerant cycle device includes a radiator for radiating heat of high-temperature and high-pressure refrigerant discharged from a compressor, a branch portion for branching a flow of...
US20110219793 Ejector unit, heat exchange unit and refrigerant short-circuit detecting method  
In an ejector unit, an ejector is bonded to a container to define in the container an inlet space in which an inlet of a nozzle portion of the ejector is open, a suction space in which a...
US20110005268 EJECTOR-TYPE REFRIGERATION CYCLE DEVICE  
In an ejector-type refrigeration cycle device provided with a first compression mechanism and a second compression mechanism, a refrigerant outlet of a suction side evaporator is coupled to a...
US20130111934 Ejector Cycle Refrigerant Separator  
A system has a compressor (22, 412). A heat rejection heat exchanger (30) is coupled to the compressor to receive refrigerant compressed by the compressor. The system has a heat absorption heat...
US20110100038 Refrigerant Circuit And Method For Operating A Refrigerant Circuit  
There is provided a refrigerant circuit comprising a compressor (10), a condenser or gas cooler (12), an ejector (16) with a high-pressure connection and a suction connection, a pre-evaporator...
US20150033790 EJECTOR  
An ejector includes a body member having a depressurizing space that depressurizes a refrigerant which flows out of a swirling space that swirls the refrigerant, a suction passage that draws the...
US20090095013 Ejector cycle system  
An ejector cycle system with a refrigerant cycle through which refrigerant flows includes an ejector disposed downstream of a radiator, a first evaporator located to evaporate refrigerant flowing...
US20090229301 REFRIGERATION SYSTEM  
A refrigeration system (1) includes first to third compressors (11a, 11b, 11c) connected in parallel and an oil separator for separating a refrigeration oil from a refrigerant discharged from the...
US20140083121 Ejector with Motive Flow Swirl  
An ejector (200; 300; 400) has a primary inlet (40), a secondary inlet (42), and an outlet (44). A primary flowpath extends from the primary inlet to the outlet. A secondary flowpath extends from...
US20130239600 Ejector  
An ejector has a primary inlet (40), a secondary inlet (42), and an outlet (44). A primary flowpath extends from the primary inlet to the outlet. A secondary flowpath extends from the secondary...
US20050028552 Vapor compression type refrigerating machine  
A bypass valve 81 is opened until a predetermined period of time elapses after compressors 10a, 10b are stopped so as to equalize the pressure of a refrigerant circuit on a condenser 20 side with...
US20110167851 Refrigerant cycle device with ejector  
A refrigerant cycle device having an ejector includes a first evaporator for evaporating refrigerant flowing out of the ejector, a first passage portion for guiding refrigerant to a refrigerant...
US20100132400 UNIT FOR EJECTOR-TYPE REFRIGERATION CYCLE, AND REFRIGERATION CYCLE DEVICE USING THE SAME  
A unit for an ejector-type refrigeration cycle includes an ejector, first and second evaporators connected in parallel to a downstream side of the ejector and configured to evaporate the...
US20110289961 Enhanced liquid pressure cycle having an ejector  
The enhanced liquid pressure cycle having an ejector consists of a high-pressure positive displacement liquid rotary pump (liquid pressure pump). The liquid pressure pump provides the primary...
US20130213083 REFRIGERATION CYCLE APPARATUS AND REFRIGERANT CIRCULATING METHOD  
In a refrigeration cycle apparatus, a compressor, a condenser, a first flow control valve, a refrigerant storage container, a second flow control valve, and a first evaporator are connected in...
US20080314074 Integrated unit for refrigeration cycle device  
In an integrated unit including an evaporator and an ejector located inside a tank of the evaporator, a first vibration-isolating seal member and a second vibration-isolating seal member are...
US20070119207 Ejector-type refrigerant cycle device  
An ejector-type refrigerant cycle device includes: a first evaporator 15 that evaporates refrigerant flowing out of an ejector 14; a branch passage 17 that branches a flow of refrigerant between a...
US20070169511 Integrated unit for refrigerant cycle device and manufacturing method of the same  
An integrated unit for a refrigerant cycle device includes an ejector having a nozzle part for decompressing refrigerant, and an evaporator located to evaporate the refrigerant to be drawn into a...
US20070039350 Refrigerant cycle device with ejector and refrigerant branch structure for the same  
A branch structure is provided on an upstream side of an ejector in a refrigerant cycle device, for branching and supplying refrigerant to a nozzle of the ejector and to an evaporator connected to...
US20070163294 Evaporator unit and ejector type refrigeration cycle  
An evaporator unit includes an ejector, an upwind side heat exchanger for evaporating a discharge side refrigerant flowing from the ejector, and a downwind side heat exchanger for evaporating a...
US20100162751 Ejector-type refrigerant cycle device  
A flow of refrigerant discharged from a first compressor and cooled by a radiator is branched by a first branch portion, and the branched refrigerant of one side is decompressed and expanded by a...
US20110214439 TANDEM COMPRESSOR OF DIFFERENT TYPES  
A refrigerant system having tandem compressors includes at least two compressors of different types. By utilizing the two distinct compressor types, a greater difference in the provided capacity...

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